Jeep 1997 Grand Cherokee Service Manual page 86

HUB BEARING KNUCKLE
KNUCKLE AXLE
AXLE SHAFT AXLE
3 - 28 DIFFERENTIAL AND DRIVELINE
REMOVAL AND INSTALLATION (Continued)
(8) Remove hub bearing and axle shaft assembly
(Fig. 26), or axle shaft from axle. Avoid damaging
the axle shaft oil seals in the axle housing.
Fig. 25 Hub Bearing Bolts
Fig. 26 Hub Bearing and Axle Assembly
(9) Remove the brake rotor shield from the hub
bearing or knuckle (Fig. 24).
INSTALLATION
(1) Thoroughly clean the axle shaft (Fig. 24) and
apply a thin film of Mopar Wheel Bearing Grease,
or equivalent, to the shaft splines, seal contact sur-
face, and hub bore.
(2) Install the brake rotor shield to the knuckle.
(3) Install the hub bearing and axle shaft assem-
bly, or axle shaft, into the housing and differential
side gears. Avoid damaging the axle shaft oil seals in
the axle housing.
(4) Install the hub bearing, if necessary.
(5) Install the hub to knuckle bolts and tighten to
102 N·m (75 ft. lbs.) torque.
(6) Install the hub washer and nut, if necessary.
Tighten the hub nut to 237 N·m (175 ft. lbs.) torque.
AXLE YOKE STEERING KNUCKLE
Install the nut retainer and a new cotter pin (Fig.
24).
(7) Install ABS wheel speed sensor, if necessary.
Refer to Group 5, Brakes, for proper procedures.
(8) Install the brake rotor and caliper. Refer to
Group 5, Brakes, for proper procedures.
(9) Install the wheel and tire assembly.
(10) Remove support and lower the vehicle.
STEERING KNUCKLE AND BALL STUDS
Ball stud service procedures below require removal
of the hub bearing and axle shaft. Removal and
installation of upper and lower ball studs require the
use of Tool Kit 6289.
KNUCKLE REMOVAL
(1) Remove hub bearing and axle shaft.
(2) Disconnect the tie-rod or drag link from the
steering knuckle arm. Refer to Group 2, Suspension,
for proper procedures.
(3) Remove the cotter pins from the upper and
lower ball studs.
(4) Remove the upper and lower ball stud nuts.
(5) Strike the steering knuckle with a brass ham-
mer to loosen knuckle from the ball studs. Remove
knuckle from ball studs (Fig. 27).
Fig. 27 Steering Knuckle Removal/Installation
UPPER BALL STUD REPLACEMENT
(1) Position tools as shown to remove and install
ball stud (Fig. 28).
LOWER BALL STUD REPLACEMENT
(1) Position tools as shown to remove and install
ball stud (Fig. 29).
LOWER BALL STUD UPPER BALL STUD
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